Answer:
7) G
8) F & G
9) H
i think this is right, hope i helped :)
Ok, for multiplication of fractions you do not need a common denominator so multiply top by top and bottom by bottom... let me know what you get
The Answer Would Be 64 because if you divide 8/4.5 its equal to 64/36.
The second term would be -3f^3 because when in descending order it is
6f^4 - 3f^3 - 2f^2 + 9f